<!DOCTYPE html>
<html lang="zh-cn">
    <head>
        <meta charset="UTF-8"/>
        <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
        <title>一栏固定一栏自适应布局</title>
        <style>
           .wraper {max-width:1140px; margin:0 auto; overflow:hidden}
           .left-con {width: 200px;background: #000;color: #fff;margin-bottom: -3000px;padding-bottom: 3000px;float: left}
           .main {width:100%;margin-bottom: -3000px;padding-bottom: 3000px;float: right;margin-left: -200px;}
           .right-con {padding-left:200px;}
           .right-con p {padding: 20px}
        </style>
    </head>
    <body>
        <div class="wraper">
            <div class="main">
                <div class="right-con">
                                <h3>主体内容区块</h3>
                    <p>我入前端这行小两年了。。。</p>        
                </div>
            </div>
            <div class="left-con">
                <h3>这是左侧内容区块</h3>
            </div>
        </div>
    </body>
</html>